Home / 113,676.30-170,183.97-66,146.54

Finding the Fourth Proportional to 113,676.30, 170,183.97 and 66,146.54

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Solution

The fourth proportional to 113,676.30, 170,183.97 and 66,146.54 is: 99,027.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,676.30 : 170,183.97 = 66,146.54 : x
  2. Step 2: Convert to fraction form
    113,676.30/170,183.97 = 66,146.54/x
  3. Step 3: Cross multiply
    113,676.30x = 170,183.97 × 66,146.54
  4. Step 4: Simplify right side
    113,676.30x = 11,257,079,928.04
  5. Step 5: Solve for x
    x = 11,257,079,928.04/113,676.30
  6. Step 6: Final answer
    x = 99,027.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.